Alastin SilkSHIELD All-Mineral Sunscreen SPF 30 is a lightweight, 100% mineral sunscreen that provides broad-spectrum UVA/UVB protection with a sheer, elegant finish. Formulated with zinc oxide and antioxidants, this dermatologist-tested sunscreen defends skin against sun damage, blue light, and environmental stressors while maintaining a silky, non-greasy feel. Perfect for sensitive and post-procedure skin. Key Benefits All-mineral protection: 100% zinc oxide shields against UVA/UVB rays. SPF 30 defense: Prevents sunburn, premature aging, and skin damage. Antioxidant boost: Neutralizes free radicals from environmental stressors. Lightweight texture: Silky, sheer finish that blends seamlessly. Safe for all skin types: Gentle enough for sensitive or post-procedure skin. How to Use Apply generously to face, neck, and exposed areas 15 minutes before sun exposure. Reapply every 2 hours, or after swimming, sweating, or towel drying. Use daily as the final step in your morning skincare routine. Best For All skin types seeking gentle, mineral-based sun protection. Especially beneficial for sensitive or post-procedure skin needing antioxidant-rich daily defense.